CN115122818A - Artificial landscape mountain body for coastal flushing and filling area and construction method - Google Patents
Artificial landscape mountain body for coastal flushing and filling area and construction method Download PDFInfo
- Publication number
- CN115122818A CN115122818A CN202210915422.6A CN202210915422A CN115122818A CN 115122818 A CN115122818 A CN 115122818A CN 202210915422 A CN202210915422 A CN 202210915422A CN 115122818 A CN115122818 A CN 115122818A
- Authority
- CN
- China
- Prior art keywords
- layer
- mountain
- filling
- pile
- foundation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010276 construction Methods 0.000 title claims abstract description 68
- 238000011010 flushing procedure Methods 0.000 title description 2
- 239000002689 soil Substances 0.000 claims abstract description 86
- 239000004575 stone Substances 0.000 claims abstract description 19
- 239000010410 layer Substances 0.000 claims description 331
- 150000003839 salts Chemical class 0.000 claims description 53
- 238000000926 separation method Methods 0.000 claims description 19
- 239000002346 layers by function Substances 0.000 claims description 18
- 238000013461 design Methods 0.000 claims description 14
- 239000004744 fabric Substances 0.000 claims description 13
- 238000002955 isolation Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 10
- 239000004576 sand Substances 0.000 claims description 9
- 238000005056 compaction Methods 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 239000005416 organic matter Substances 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 239000012634 fragment Substances 0.000 claims description 3
- 238000011835 investigation Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 230000002262 irrigation Effects 0.000 abstract description 8
- 238000003973 irrigation Methods 0.000 abstract description 8
- 230000000875 corresponding effect Effects 0.000 description 14
- 239000004568 cement Substances 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 230000002457 bidirectional effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 239000011398 Portland cement Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C5/00—Processes for producing special ornamental bodies
- B44C5/06—Natural ornaments; Imitations thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C3/00—Processes, not specifically provided for elsewhere, for producing ornamental structures
- B44C3/06—Sculpturing
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/24—Prefabricated piles
- E02D5/30—Prefabricated piles made of concrete or reinforced concrete or made of steel and concrete
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/46—Concrete or concrete-like piles cast in position ; Apparatus for making same making in situ by forcing bonding agents into gravel fillings or the soil
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Agronomy & Crop Science (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- Revetment (AREA)
Abstract
The invention discloses an artificial landscape mountain body for a coastal irrigation and soil filling area and a construction method thereof, wherein the artificial landscape mountain body comprises a foundation layer, a mountain filling layer and a covering layer; the mountain filling layer is built on the foundation layer, and the covering layer covers the mountain filling layer; the foundation layer building is arranged below the set elevation to support a mountain filling layer and a covering layer; the foundation layer comprises a supporting layer, a mattress layer and a leveling layer, wherein the supporting layer is formed by arranging a plurality of supporting piles at intervals, the mattress layer is laid on the top of the supporting layer, the leveling layer covers the top of the mattress layer, and the top surface of the leveling layer is flush with a set elevation; the mattress layer comprises a geogrid I and graded broken stones with the grain sizes of 15 mm-30 mm, the geogrid I is buried between the graded broken stones with the grain sizes of 15 mm-30 mm, and the thickness of the mattress layer is not smaller than 300 mm; the filling condition, the landscape mountain stability and the foundation bearing capacity can be fully considered, and the safety construction of the artificial landscape mountain in the coastal filling area is met.
Description
Technical Field
The invention relates to the field of landscape construction, in particular to an artificial landscape mountain body for a coastal irrigation and soil filling area and a construction method.
Background
With the demand of coastal areas on land space in urban development, multi-area large-area sea reclamation is carried out in gentle shallow sea areas (the depth is about 5 m), land reclamation is usually carried out in a hydraulic fill operation mode, and the filling depth is concentrated at 0-7 m; when engineering construction is carried out on the soil-filled stratum, sedimentation deformation is a problem which needs to be considered; in order to meet the desire of people for natural gardens, artificial landscape mountains are more and more frequently appeared in garden construction, and the natural landscape atmosphere is created through the fluctuating topography; but in coastal filling areas, the foundation soil is poor in quality and low in strength; when a high mountain is filled, landslide often occurs due to insufficient stability of the whole mountain, or peripheral buildings and structures are affected due to large sedimentation of the whole artificial landscape mountain.
Therefore, in order to solve the above problems, there is a need for an artificial landscape mountain and a construction method thereof for use in coastal reclamation areas, which can fully consider the reclamation conditions, landscape mountain stability and foundation bearing capacity, and meet the safety construction requirements of artificial landscape mountains in coastal reclamation areas.
Disclosure of Invention
In view of the above, the present invention aims to overcome the defects in the prior art, and provide an artificial landscape mountain for a coastal irrigation and fill area and a construction method thereof, which can fully consider the fill condition, landscape mountain stability and foundation bearing capacity, and meet the safety construction of the artificial landscape mountain in the coastal irrigation and fill area.
The invention relates to an artificial landscape mountain for a coastal irrigation and soil filling area, which comprises a foundation layer, a mountain filling layer and a covering layer; the mountain filling layer is built on the foundation layer, and the covering layer covers the mountain filling layer; the foundation layer building is arranged below the set elevation to support a mountain filling layer and a covering layer; the foundation layer comprises a supporting layer, a mattress layer and a leveling layer, wherein the supporting layer is formed by arranging a plurality of supporting piles at intervals, the mattress layer is laid on the top of the supporting layer, the leveling layer covers the top of the mattress layer, and the top surface of the leveling layer is flush with a set elevation; the mattress layer comprises a geogrid I and graded broken stones with the grain sizes of 15 mm-30 mm, the geogrid I is buried between the graded broken stones with the grain sizes of 15 mm-30 mm, and the thickness of the mattress layer is not smaller than 300 mm.
Further, the cushion layer contains stone dust fragments in an amount not more than 3% of the total weight, and the compactness of the cushion layer is not less than 0.9.
Further, the mountain filling layer comprises a plurality of layers of sub filling layers, the plurality of layers of sub filling layers are built layer by layer in a set mode, and each layer of sub filling layer is embedded with a geogrid II; the thickness of each layer of the filling layer is 1-3 m, the compaction coefficient lambda of each layer of the filling layer is more than or equal to 0.92, the compression modulus Es of each layer of the filling layer is more than or equal to 10MPa, and the compaction width of the filling layer at the bottom is not less than the design width.
The support pile further comprises a filling soil layer positioned at the bottom of the foundation layer, and the depth of the pile bottom of the support pile embedded into the filling soil layer is not less than 1 m; the perpendicularity deviation of the support pile is not more than 1% of the design perpendicularity deviation, the pile length of the support pile is not less than the design pile length, the pile position deviation of the support pile is not more than 50mm of the design pile position deviation, and the pile diameter deviation of the support pile is not more than 4% of the design pile diameter.
The functional layer comprises a plain soil filling layer, a salt isolation layer I, a one-way permeable layer, a salt isolation layer II, a planting soil layer I and a planting layer I which are arranged layer by layer from bottom to top, wherein a salt discharge layer is embedded in the salt isolation layer I; the top surface of planting soil layer and setting elevation parallel and level.
Further, the one-way permeable formation includes geotechnological cloth, the periphery of geotechnological cloth upwards extends and forms the encirclement to salt barrier II, the peripheral upwards extension of geotechnological cloth is highly not less than 250 mm.
Furthermore, the salt discharging layer comprises a fibrous plastic blind pipe penetrating through the salt isolating layer I, and the aperture of the fibrous plastic blind pipe is 90-180 mm.
Further, the salt isolation layer I comprises graded broken stones with the grain size of 10 mm-30 mm, and the thickness of the salt isolation layer I is not less than 200 mm; the salt separation layer II comprises coarse river sand with a fineness modulus of 3.7-3.1, the average particle size of the coarse river sand is 0.5-1.0 mm, and the thickness of the salt separation layer II is not less than 100 mm.
Further, the maximum post-construction settlement control value of the mountain filling layer is not more than 300 mm.
The invention also discloses a construction method of the artificial landscape mountain based on the coastal irrigation and soil filling area, which comprises the following steps:
s1, determining the construction land plane range and the mountain design height of an artificial landscape mountain;
s2, determining a foundation treatment scheme according to the geotechnical engineering investigation report, and checking and calculating the bearing capacity and settlement of the foundation;
s3, calculating the stability of the landscape mountain slope according to the plane range of the artificial landscape mountain and the designed height of the mountain, and determining the slope rate control requirement of the mountain slope and the contour line distribution of the mountain;
when the slope stability of the landscape mountain is calculated, the slope safety grade is considered according to a first-level permanent slope, and the slope stability coefficient is not less than 1.35;
s4, dividing a landscape mountain range, a foundation treatment range and a functional layer range;
the range line of the functional layer is formed by the extension of the range line of the mountain filling layer to be not less than 5m, and the range line of the foundation layer is formed by the extension of the range line of the functional layer to be not less than 3m
S5, constructing a foundation layer; reserving a pile position of a supporting pile on a filling soil layer with the height lower than a set elevation, and arranging a supporting layer, a mattress layer and a leveling layer by layer to enable the height of the foundation layer to be flush with the set elevation;
s6, filling landscape mountains; obtaining a mountain filling layer by adopting a layer-by-layer rolling mode; the vertical distance between the adjacent geogrids II is 2m, the two ends of each geogrid II are folded back to be not less than 3m, and the distance between each two ends of each geogrid II and the corresponding side slope surface is not less than 0.5 m;
s7, laying a functional layer and a covering layer and planting landscape plants; the covering layer comprises a planting soil layer II and a vegetation layer II, the planting soil layer II covers the mountain filling layer, and the vegetation layer II covers the planting soil layer II;
the material selection of the planting soil layer I and the material selection of the planting soil layer II are the same, the material selection of the planting soil layer I and the material selection of the planting soil layer II comprise improved soil, the pH value of the improved soil is 5.5-8.3, the total salt content of the improved soil is not more than 0.1%, and the organic matter content of the improved soil is not less than 1.2%.
The invention has the beneficial effects that: the artificial landscape mountain for the coastal irrigation and soil filling area and the construction method thereof can meet the requirement of the stability of the bearing capacity of the foundation and ensure the safety and stability of the slope of the landscape mountain; the geogrid is laid every 2m, the mountain filling materials are rolled in a layered mode, the overall stability of the filled mountain is guaranteed, planting soil with a certain thickness is covered on the surface of the mountain, planting of mountain greening plants is facilitated, the purpose of landscape mountain construction is achieved finally, the whole process is simple and convenient, energy is saved, environment is protected, and application scenes are wide.
Drawings
The invention is further described below with reference to the following figures and examples:
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of a functional layer of the present invention.
Detailed Description
Fig. 1 is a schematic structural view of the present invention, as shown in the figure, the horizontal direction is a cross-section width direction of the mountain filling layer 4, and the vertical direction is a cross-section height direction of the mountain filling layer 4, which is not described herein again, and the artificial landscape mountain for the sea-facing reclamation area in this embodiment includes a foundation layer, a mountain filling layer 4 and a covering layer; the mountain filling layer 4 is built on the ground base layer, and the covering layer covers the mountain filling layer 4; the foundation layer building is used for supporting a mountain filling layer 4 and a covering layer below a set elevation; the filling condition, the landscape mountain stability and the foundation bearing capacity can be fully considered, and the safety construction of artificial landscape mountains in coastal filling areas is met; the set elevation is determined by the site construction environment;
the foundation layer comprises a supporting layer, a mattress layer 2 and a leveling layer 3;
the supporting layer is formed by arranging a plurality of supporting piles 1 at intervals, the supporting piles 1 are cement mixing piles, the cement mixing piles adopt PO 42.5-grade ordinary portland cement, the single-shaft doping amount is not less than 100kg/m, the cement-water-cement ratio is preferably 0.50-0.60, the single-shaft doping amount is 100kg/m, the cement-water-cement ratio is 0.50, the mixing frequency of the cement mixing piles is preferably four-time guniting and four-time mixing, and the grout stopping surface is higher than the designed elevation of the pile top by 50 cm; the supporting pile 1 can also be a prefabricated concrete column or a reinforced concrete column, which is not described herein any more, and further comprises a filling soil layer 6 positioned at the bottom of the foundation layer, the depth from the pile bottom of the supporting pile 1 to the filling soil layer 6 is not less than 1m, the depth from the pile bottom of the supporting pile 1 to the filling soil layer 6 is not more than 5m, so that the stability and the support performance of the foundation layer are improved, the depth from the pile bottom of the supporting pile 1 to the filling soil layer 6 is combined with the actual construction condition for arrangement, the depth from the pile bottom of the general supporting pile 1 to the filling soil layer 6 is not more than 2m, so that the supporting strength and the structural stability can be met, the arrangement is selected according to the actual construction condition, which is not described herein any more, and the depth from the pile bottom of the supporting pile 1 to the filling soil layer 6 is 1 m; the perpendicularity deviation of the support pile 1 is not more than 1% of the designed perpendicularity deviation, the pile length of the support pile 1 is not less than the designed pile length, the pile position deviation of the support pile 1 is not more than 50mm of the designed pile position deviation, the pile diameter deviation of the support pile 1 is not more than 4% of the designed pile diameter, the pile diameter deviation of the support pile 1 is not less than 1% of the designed pile diameter, in the scheme, the perpendicularity of the support pile 1 is the same as the perpendicularity of the set support pile 1 and is vertically arranged downwards, the pile length of the support pile 1 is the same as the length of the set pile length and is 4m, the deviation value of the pile position deviation of the support pile 1 and the set pile position deviation is 0mm, the pile diameter of the support pile 1 is the same as the size of the set pile diameter and is 600mm, the support piles 1 are arranged in a square distribution, the pile spacing is 1.2m, and during site construction, the perpendicularity of the support pile 1, the pile length of the support pile 1, the pile length of the support pile 1, the pile length of the pile 1 of the pile length of the pile 1 of the pile length of the pile 1 of the pile is not less than the pile length of the pile, The pile position deviation of the support pile 1 and the pile diameter of the support pile 1 can have construction deviation with a set numerical value, and the corresponding effect after construction is met, so that the description is omitted;
the mattress layer 2 is laid on the top of the supporting layer, the mattress layer 2 comprises a geogrid I and graded broken stones with the grain sizes of 15 mm-30 mm, the geogrid I is buried between the graded broken stones with the grain sizes of 15 mm-30 mm, the thickness of the mattress layer 2 is not smaller than 300mm, the pre-selected size of the graded broken stones in the mattress layer 2 is 30mm, the thickness of the mattress layer 2 is 300mm, and the size of the graded broken stones in the mattress layer 2 can not be selected according to the pre-selected size completely and strictly during actual construction, so that the grain sizes of the graded broken stones in the mattress layer 2 are 15 mm-30 mm during actual construction, the construction requirements on site can be met, the convenience of material selection is improved, the construction cost can be reduced, and repeated description is omitted; the quantity of stone dust fragments contained in the mattress layer 2 is not more than 3% of the total weight, the compactness of the mattress layer 2 is not less than 0.9, the supporting strength of the mattress layer 2 is improved, and the requirement of effective support on a mountain filling layer 4 is met;
the leveling layer 3 covers the top of the mattress layer 2, and the top surface of the leveling layer 3 is flush with the set elevation; the aim at of screed-coat 3 provides the level of leveling for mountain filling layer 4, screed-coat 3's filler chooses for use plain banket soil, and screed-coat 3's top surface and settlement elevation parallel and level for be convenient for to the design and the construction of each building layer.
In the embodiment, the mountain filling layer 4 comprises a plurality of sub filling layers, the plurality of sub filling layers are built layer by layer in a set mode, the set mode in the scheme is that the mountain is built into the profile shape in a mode of layered filling and layered compaction covering from bottom to top, and each sub filling layer is embedded with a geogrid II 5; the vertical (height direction) distance between the adjacent geogrids II 5 is 1 m-3 m, the vertical (height direction) distance between the adjacent geogrids II 5 in the scheme is 2m, the (transverse) two ends of each geogrid II 5 are folded back to be not less than 3m, the (transverse) two ends of each geogrid II 5 in the scheme are folded back to be 3m, the distance between the (transverse) two ends of each geogrid II 5 and the corresponding side slope surface is not less than 0.5m, and the distance between the (transverse) two ends of each geogrid II 5 in the scheme and the corresponding side slope surface is 0.5 m; during actual construction, construction deviation can exist between the vertical (height direction) distance, the transverse (two ends are folded back) and the transverse (two ends) of the geogrid II 5 and the distance between the corresponding side slope surface and a set numerical value respectively, the corresponding effect after construction is met, and the detailed description is omitted; in the scheme, the geogrid I and the geogrid II 5 both adopt convex node reinforced grid bidirectional geogrids, the tensile strength is not less than 100kN/m, the node ultimate stripping force is more than 500N, the node thickness is more than 5mm, and the elongation is less than or equal to 10%; according to the scheme, the convex node reinforced grid bidirectional geogrid with the set tensile strength of 100kN/m, the set node ultimate peel force of 500N, the set node thickness of 5mm and the set elongation of 10% is selected, construction deviation can exist among the tensile strength, the node ultimate peel force, the node thickness and the elongation of the convex node reinforced grid bidirectional geogrid and set numerical values during actual construction, the corresponding effect after construction is met, and the description is omitted; the thickness of each layer of the filling layer is 1-3 m, the preferred thickness of each layer of the filling layer is more than 2m, the compaction coefficient lambda of each layer of the filling layer is more than or equal to 0.92, the compression modulus Es of each layer of the filling layer is more than or equal to 10MPa, the thickness of each layer of the filling layer in the scheme is 2m, the compaction coefficient lambda of each layer of the filling layer is 0.92, the compression modulus Es of each layer of the filling layer is 10MPa, the thickness of each layer of the filling layer in actual construction is that construction deviation can exist between the compaction coefficient lambda of each layer of the filling layer and the compression modulus Es of each layer of the filling layer and a set value, the corresponding effect after construction is met, and the description is omitted; the compacted width of the partial filling layer at the bottom is not less than the designed width, and good support for the top partial filling layer can be provided.
In the embodiment, the functional layer is arranged around the slope toe of the mountain filling layer 4, and comprises a plain filling soil layer 7, a salt isolation layer I8, a one-way permeable layer 10, a salt isolation layer II 11, a planting soil layer I12 and a vegetation layer I13 which are arranged layer by layer from bottom to top, wherein a salt discharge layer 9 is embedded in the salt isolation layer I8; the top surface of the planting soil layer is flush with the set elevation; the effect of functional layer lies in improving the arrangement structure intensity of ground basic unit, prevents external environment to the destruction of ground basic unit, and the functional layer encircles and can further improve the restraint to mountain filling layer 4 in 4 toe settings on mountain filling layer, improves the protective effect.
In the embodiment, the salt separation layer I8 comprises graded crushed stones with the particle size of 10-30 mm, the thickness of the salt separation layer I8 is not less than 200mm, and the thickness of the salt separation layer I8 is not more than 500 mm; in the scheme, the set size of the graded broken stone of the salt separation layer I8 is 10mm, the set thickness of the salt separation layer I8 is 200mm, the set size of the graded broken stone of the salt separation layer I8 and the set thickness of the salt separation layer I8 can have construction deviation in actual construction, the corresponding effect after construction can be met, and the detailed description is omitted;
the salt separation layer I8 is laid above the plain soil filling layer 7, a salt discharge layer 9 is embedded in the salt separation layer I8, the salt discharge layer 9 comprises a fibrous plastic blind pipe penetrating through the salt separation layer I8, the aperture (diameter) of the fibrous plastic blind pipe is 90-180 mm, and in the scheme, the aperture of the fibrous plastic blind pipe is 180 mm;
the salt separation layer II 11 comprises coarse river sand with a fineness modulus of 3.7-3.1, the average particle size of the coarse river sand is 0.5-1.0 mm, the thickness of the salt separation layer II 11 is not less than 100mm, and the thickness of the salt separation layer II 11 is not more than 300 mm; according to the scheme, the fineness modulus of the coarse river sand in the salt separating layer II 11 is 3.6, the set value of the average particle size of the coarse river sand is 0.8mm, the set thickness of the salt separating layer II 11 is 150mm, construction deviation can exist between the size of the coarse river sand in the salt separating layer II 11 and the set thickness and the set value of the salt separating layer II 11 during actual construction, the corresponding effect after construction is met, and the description is omitted;
in this embodiment, one-way permeable formation 10 includes geotechnological cloth, geotechnological cloth separates salt layer I8 and salt layer II 11, the periphery of geotechnological cloth upwards extends and forms the surrounding to salt layer II 11, and in this scheme the periphery of geotechnological cloth upwards extends still and forms the surrounding to planting soil layer I12 bottom, the extension height of the upwards extension section of periphery of geotechnological cloth is not less than 250mm, the extension height of the upwards extension section of periphery of geotechnological cloth is no longer than the top surface of planting soil layer I12, in this scheme the upwards extension height of setting for of the upwards extension section of periphery of geotechnological cloth is 250mm, can have the construction deviation with the numerical value of setting for during actual construction, satisfy the construction after corresponding the effect can, no longer describe here.
In this embodiment, the maximum post-construction settlement control value of the mountain filling layer 4 is not greater than 300mm, and preferably, the maximum post-construction settlement control value of the mountain filling layer 4 is controlled within 100mm, and in this embodiment, the maximum post-construction settlement control value of the mountain filling layer 4 is set to 50mm, so that construction deviation can exist between the actual construction and the set value, and the corresponding effect after construction is satisfied, which is not described herein again.
The invention also discloses a construction method of the artificial landscape mountain based on the coastal irrigation and soil filling area, which comprises the following steps:
s1, determining the construction land plane range and the mountain design height of an artificial landscape mountain;
s2, determining a foundation treatment scheme according to the geotechnical engineering investigation report, and checking and calculating the bearing capacity and settlement of the foundation; the foundation treatment scheme comprises a foundation treatment range, a foundation treatment form, a foundation treatment working surface, a treated composite foundation bearing capacity characteristic value, a landscape mountain maximum post-construction settlement control value and the like;
s3, calculating the stability of the landscape mountain slope according to the plane range of the artificial landscape mountain and the mountain design height, and determining the slope rate control requirement of the mountain slope and the mountain contour line distribution;
when the landscape mountain slope stability is calculated, the slope safety grade is considered according to a first-level permanent slope, the slope stability coefficient is not less than 1.35, and the slope stability coefficient in the scheme is 1.35;
s4, dividing a landscape mountain range, a foundation treatment range and a functional layer range;
the range line of the functional layer is formed by expanding the range line of the mountain filling layer 4 to be not less than 5m, and the range line of the foundation layer is formed by expanding the range line of the functional layer to be not less than 3 m;
s5, constructing a foundation layer; reserving a pile position of a support pile 1 on a filling soil layer 6 with the height lower than a set elevation, and arranging a support layer, a mattress layer 2 and a leveling layer 3 layer by layer to enable the height of a foundation layer to be flush with the set elevation;
s6, filling landscape mountains; obtaining a mountain filling layer 4 by adopting a mode of rolling and sub-filling layers layer by layer;
s7, laying a functional layer and a covering layer and planting landscape plants; the covering layer comprises a planting soil layer II and a vegetation layer II, the planting soil layer II covers the mountain filling layer 4, and the vegetation layer II covers the planting soil layer II;
the selection of the planting soil layer I12 is the same as that of the planting soil layer II, the planting soil layer I12 and the planting soil layer II are laid simultaneously during laying, the selection of the planting soil layer I12 and the selection of the planting soil layer II comprise improved soil, the pH value of the improved soil is 5.5-8.3, the total salt content of the improved soil is not more than 0.1%, and the organic matter of the improved soil is not less than 1.2%; in the scheme, the set PH value of the improved soil is 5.5, the set total salt content of the improved soil is 0.05%, and the set organic matter of the improved soil is 1.5%; during actual construction, construction deviations can exist between the pH value of the improved soil, the total salt content of the improved soil and the organic matters of the improved soil and set values, the corresponding effects after construction are met, and the details are not repeated.
When the lawn and flower planting is carried out on the vegetation layer A and the vegetation layer B, the thickness of the planting soil layer I12 and the thickness of the planting soil layer II are both not smaller than 300mm correspondingly; when shrubs on the vegetation layer A and the vegetation layer B are planted, the thickness of the planting soil layer I12 and the thickness of the planting soil layer II are respectively not less than 600 mm; when the vegetation layer A and the vegetation layer B are planted with trees, the thickness of the planting soil layer I12 and the thickness of the planting soil layer II are respectively not less than 1200 mm; selecting according to actual conditions; the planting varieties of the vegetation layer A and the vegetation layer B can be the same or different, in the scheme, shrubs are planted on the vegetation layer A and the vegetation layer B, the thickness of the planting soil layer I12 and the thickness of the planting soil layer II are both 600mm, construction deviation can exist between the thickness of the planting soil layer I12 and the thickness of the planting soil layer II and a set numerical value during actual construction, the corresponding effect after construction is met, and the description is omitted.
In this embodiment, the construction deviation includes that the selection of the material size of each layer may be a range value having deviation, a controllable deviation of the construction thickness of each layer, a deviation of each construction parameter of each layer, and the like, which are all included in the construction deviation understood by those skilled in the art, and are not described herein again.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (10)
1. The utility model provides an artificial landscape massif for facing sea filling area which characterized in that: comprises a ground base layer, a mountain filling layer and a covering layer; the mountain filling layer is built on the foundation layer, and the covering layer covers the mountain filling layer; the foundation layer building is arranged below the set elevation to support a mountain filling layer and a covering layer; the foundation layer comprises a supporting layer, a mattress layer and a leveling layer, wherein the supporting layer is formed by arranging a plurality of supporting piles at intervals, the mattress layer is laid on the top of the supporting layer, the leveling layer covers the top of the mattress layer, and the top surface of the leveling layer is flush with a set elevation; the mattress layer comprises a geogrid I and graded broken stones with the grain sizes of 15 mm-30 mm, the geogrid I is buried between the graded broken stones with the grain sizes of 15 mm-30 mm, and the thickness of the mattress layer is not smaller than 300 mm.
2. The artificial landscape mountain for the coastal landfill area according to claim 1, characterized in that: the cushion layer contains stone dust fragments in an amount of not more than 3 percent of the total weight, and the compactness of the cushion layer is not less than 0.9.
3. The artificial landscape mountain for the coastal landfill area according to claim 1, characterized in that: the mountain filling layer comprises a plurality of layers of sub filling layers, the plurality of layers of sub filling layers are built layer by layer in a set mode, and each layer of sub filling layer is embedded with a geogrid II; the thickness of each layer of the filling layer is 1 m-3 m, the compaction coefficient lambda of each layer of the filling layer is more than or equal to 0.92, and the compression modulus Es of each layer of the filling layer is more than or equal to 10 MPa.
4. The artificial landscape mountain for the coastal landfill area according to claim 1, characterized in that: the support pile further comprises a filling soil layer positioned at the bottom of the foundation layer, and the depth from the pile bottom of the support pile to the filling soil layer is not less than 1 m; the perpendicularity deviation of the support pile is not more than 1% of the design perpendicularity deviation, the pile length of the support pile is not less than the design pile length, the pile position deviation of the support pile is not more than 50mm of the design pile position deviation, and the pile diameter deviation of the support pile is not more than 4% of the design pile diameter.
5. The artificial landscape mountain for the coastal landfill area according to claim 1, characterized in that: the functional layer comprises a plain soil filling layer, a salt isolation layer I, a one-way permeable layer, a salt isolation layer II, a planting soil layer I and a planting layer I which are arranged layer by layer from bottom to top, wherein a salt discharge layer is embedded in the salt isolation layer I; the top surface of planting soil layer and setting elevation parallel and level.
6. The artificial landscape mountain for the coastal landfill area according to claim 5, characterized in that: the unidirectional permeable formation includes geotechnical cloth, the periphery of geotechnical cloth upwards extends and forms the surrounding to salt separating layer II, the extension height of the peripheral upwards extension section of geotechnical cloth is not less than 250 mm.
7. The artificial landscape mountain for the coastal landfill area according to claim 5, characterized in that: the salt discharging layer comprises a fibrous plastic blind pipe penetrating through the salt isolating layer I, and the aperture of the fibrous plastic blind pipe is 90-180 mm.
8. The artificial landscape mountain for the coastal landfill area according to claim 5, characterized in that: the salt separation layer I comprises graded broken stones with the particle size of 10-30 mm, and the thickness of the salt separation layer I is not less than 200 mm; the salt separation layer II comprises coarse river sand with a fineness modulus of 3.7-3.1, the average particle size of the coarse river sand is 0.5-1.0 mm, and the thickness of the salt separation layer II is not less than 100 mm.
9. The artificial landscape mountain for the coastal landfill area according to claim 1, wherein: and the maximum post-construction settlement control value of the mountain filling layer is not more than 300 mm.
10. A method for constructing an artificial landscape mountain for an area facing sea reclamation according to any one of claims 1 to 9, wherein: the method comprises the following steps:
s1, determining the construction land plane range and the mountain design height of an artificial landscape mountain;
s2, determining a foundation treatment scheme according to the geotechnical engineering investigation report, and checking and calculating the bearing capacity and settlement of the foundation;
s3, calculating the stability of the landscape mountain slope according to the plane range of the artificial landscape mountain and the designed height of the mountain, and determining the slope rate control requirement of the mountain slope and the contour line distribution of the mountain;
when the slope stability of the landscape mountain is calculated, the slope safety grade is considered according to a first-level permanent slope, and the slope stability coefficient is not less than 1.35;
s4, dividing a landscape mountain range, a foundation treatment range and a functional layer range;
the range line of the functional layer is formed by expanding the range line of the mountain filling layer to be not less than 5m, and the range line of the foundation layer is formed by expanding the range line of the functional layer to be not less than 3m
S5, constructing a foundation layer; reserving a pile position of a supporting pile on a filling soil layer with the height lower than a set elevation, and arranging a supporting layer, a mattress layer and a leveling layer by layer to enable the height of the foundation layer to be flush with the set elevation;
s6, filling landscape mountains; obtaining a mountain filling layer by adopting a layer-by-layer rolling mode; two ends of the geogrid II are folded back for not less than 3m, and the distance between the two ends of the geogrid II and the corresponding side slope surface is not less than 0.5 m;
s7, laying a functional layer and a covering layer and planting landscape plants; the covering layer comprises a planting soil layer II and a vegetation layer II, the planting soil layer II covers the mountain filling layer, and the vegetation layer II covers the planting soil layer II;
the selected materials of the planting soil layer I and the planting soil layer II are the same, the selected materials of the planting soil layer I and the selected materials of the planting soil layer II comprise improved soil, the pH value of the improved soil is 5.5-8.3, the total salt content of the improved soil is not more than 0.1%, and the organic matter of the improved soil is not less than 1.2%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210915422.6A CN115122818A (en) | 2022-07-31 | 2022-07-31 | Artificial landscape mountain body for coastal flushing and filling area and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210915422.6A CN115122818A (en) | 2022-07-31 | 2022-07-31 | Artificial landscape mountain body for coastal flushing and filling area and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115122818A true CN115122818A (en) | 2022-09-30 |
Family
ID=83385658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210915422.6A Pending CN115122818A (en) | 2022-07-31 | 2022-07-31 | Artificial landscape mountain body for coastal flushing and filling area and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115122818A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07247550A (en) * | 1993-06-30 | 1995-09-26 | Oyo Kikaku:Kk | Surface formation of steep slope banking |
| CN100999172A (en) * | 2006-12-27 | 2007-07-18 | 上海市城市建设设计研究院 | Construction method of artificial landscape mountain |
| CN201254728Y (en) * | 2008-08-15 | 2009-06-10 | 陈维家 | Pile and earthwork cellular chamber composite foundation |
| CN205314120U (en) * | 2015-12-04 | 2016-06-15 | 中铁第四勘察设计院集团有限公司 | Novel side hinders formula combination strengthening ground |
| CN206090588U (en) * | 2016-10-14 | 2017-04-12 | 中冶集团武汉勘察研究院有限公司 | Height is filled side slope and is handled construction structures |
| CN106894432A (en) * | 2017-04-08 | 2017-06-27 | 山东省建筑科学研究院 | A kind of pile variation rigidity reinforcement cushion composite foundation and its construction method |
| CN211702931U (en) * | 2020-01-16 | 2020-10-20 | 深圳市万卉园景观工程有限公司 | Salt structure is arranged in coastal saline-alkali soil salt separation |
| CN214089272U (en) * | 2020-10-22 | 2021-08-31 | 岳阳市公路桥梁基建总公司 | Uneven soft soil subgrade structure |
| CN218112215U (en) * | 2022-07-31 | 2022-12-23 | 中冶赛迪工程技术股份有限公司 | Artificial landscape mountain for coastal irrigation and soil filling area |
-
2022
- 2022-07-31 CN CN202210915422.6A patent/CN115122818A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07247550A (en) * | 1993-06-30 | 1995-09-26 | Oyo Kikaku:Kk | Surface formation of steep slope banking |
| CN100999172A (en) * | 2006-12-27 | 2007-07-18 | 上海市城市建设设计研究院 | Construction method of artificial landscape mountain |
| CN201254728Y (en) * | 2008-08-15 | 2009-06-10 | 陈维家 | Pile and earthwork cellular chamber composite foundation |
| CN205314120U (en) * | 2015-12-04 | 2016-06-15 | 中铁第四勘察设计院集团有限公司 | Novel side hinders formula combination strengthening ground |
| CN206090588U (en) * | 2016-10-14 | 2017-04-12 | 中冶集团武汉勘察研究院有限公司 | Height is filled side slope and is handled construction structures |
| CN106894432A (en) * | 2017-04-08 | 2017-06-27 | 山东省建筑科学研究院 | A kind of pile variation rigidity reinforcement cushion composite foundation and its construction method |
| CN211702931U (en) * | 2020-01-16 | 2020-10-20 | 深圳市万卉园景观工程有限公司 | Salt structure is arranged in coastal saline-alkali soil salt separation |
| CN214089272U (en) * | 2020-10-22 | 2021-08-31 | 岳阳市公路桥梁基建总公司 | Uneven soft soil subgrade structure |
| CN218112215U (en) * | 2022-07-31 | 2022-12-23 | 中冶赛迪工程技术股份有限公司 | Artificial landscape mountain for coastal irrigation and soil filling area |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105484275B (en) | A kind of high steep waste side slope reinforcement anchoring Ecosystem restoration system of mountain area wind power plant | |
| CN108221861A (en) | A kind of ecological slope protection structure to prevent erosion and its construction method | |
| CN106368238B (en) | A kind of honeycomb geotechnical grid retaining wall and its construction method with ecological recovery function | |
| CN104264680B (en) | The method for processing foundation of Tian Wa joint portion, a kind of collapsible loess slope | |
| CN113445396B (en) | High-fill road foundation filling construction method for high liquid limit soil road section | |
| CN106193066A (en) | A kind of Loess landslide administering method based on restoration of the ecosystem | |
| CN110777819A (en) | High and steep mine mountain reconstruction ecological restoration method | |
| CN110424421A (en) | Abandoned mine raised fields goes along with sb. to guard him ecological restoring method | |
| CN218112215U (en) | Artificial landscape mountain for coastal irrigation and soil filling area | |
| CN210031857U (en) | Ecological embankment side slope structure | |
| CN113585296B (en) | Artificial slope assembly type flexible support ecological comprehensive treatment structure and construction method thereof | |
| CN212427130U (en) | Mudstone high-fill side slope structure | |
| CN113914265A (en) | Waste ditch ecological restoration and treatment method based on coal gangue filling technology | |
| CN212405094U (en) | High water content clay fill foundation drainage system | |
| CN116377780A (en) | Mountain highway high-fill roadbed filling construction method | |
| CN110552322A (en) | Flat-laying type slope protection structure utilizing river channel silt cleaning materials and construction method thereof | |
| CN115122818A (en) | Artificial landscape mountain body for coastal flushing and filling area and construction method | |
| CN212896451U (en) | Ecological retaining wall | |
| CN214783977U (en) | Compound foundation pit supporting structure of full miscellaneous filled earth stratum | |
| CN214089272U (en) | Uneven soft soil subgrade structure | |
| CN114635432A (en) | Construction method of composite ecological slope protection of foundation pit | |
| CN107882062A (en) | Massif hillside fields is based on gravity type and the compound Retaining wall method of Fill Reinforced With Geogrids | |
| JP5270748B2 (en) | Planting base structure | |
| CN211446421U (en) | Structure for controlling settlement of high-liquid limit soil high-fill roadbed | |
| CN109763388B (en) | Roadbed structure and construction method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220930 |